What does harziānus mean in Latin?

harziānus, a adjective, means “Harzia”.

How do you pronounce harziānus?

In classical Latin, [har.ziˈaː.nʊs]; in ecclesiastical (church) Latin, [ar.d͡ziˈaː.nus].

adjectivefirst/second-declension adjective

harziānus (feminine harziāna, neuter harziānum)

Classical[har.ziˈaː.nʊs]Ecclesiastical[ar.d͡ziˈaː.nus]

singular
form	masculine	feminine	neuter
nominative	harziānus	harziāna	harziānum
genitive	harziānī	harziānae	harziānī
dative	harziānō	harziānae	harziānō
accusative	harziānum	harziānam	harziānum
ablative	harziānō	harziānā	harziānō
vocative	harziāne	harziāna	harziānum

plural
form	masculine	feminine	neuter
nominative	harziānī	harziānae	harziāna
genitive	harziānōrum	harziānārum	harziānōrum
dative	harziānīs	harziānīs	harziānīs
accusative	harziānōs	harziānās	harziāna
ablative	harziānīs	harziānīs	harziānīs
vocative	harziānī	harziānae	harziāna

From the fungal genus Harzia.